等边三角形的反射变换

GeoGebra 命令及参数

1. Polygon(A, B, 3) → poly1, f, g, h, C
2. Segment(A, C) → i
3. Segment(C, B) → j
4. Segment(B, A) → k
5. Vector(D, E) → u
6. Vector(F, G) → v
7. Translate(A, u) → A'
8. Translate(C, u) → C'
9. Segment(A', C') → i'
10. Translate(C, u) → C'_1
11. Translate(B, u) → B'
12. Segment(C'_1, B') → j'
13. Translate(B, u) → B'_1
14. Translate(A, u) → A'_1
15. Segment(B'_1, A'_1) → k'
16. Translate(A, v) → A'_2
17. Translate(C, v) → C'_2
18. Segment(A'_2, C'_2) → i'_1
19. Translate(C, v) → C'_3
20. Translate(B, v) → B'_2
21. Segment(C'_3, B'_2) → j'_1
22. Translate(B, v) → B'_3
23. Translate(A, v) → A'_3
24. Segment(B'_3, A'_3) → k'_1
25. LineBisector(A, B) → l
26. LineBisector(A', C') → m
27. LineBisector(C'_2, B'_2) → n
28. Intersect(l, k) → H
29. Polygon(A, H, C) → poly2, c, a, h_1
30. Intersect(m, i') → I
31. Polygon(C', I, B') → poly3, b', c', i_1
32. Intersect(n, j'_1) → J
33. Polygon(A'_2, C'_2, J) → poly4, j_1, a'_2, c'_2